NIAOT OpenIR  > 会议论文
Research of Active Panel Technology for Large Aperture Millimeter-wave/Sub-millimeter-wave Telescope
Xuhao Wu; Xiangqun Cui
Source PublicationAdvanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
PagesVol.7654 16-1-6
Conference Date2010-4-26
Conference PlaceDalian, China
Funding OrganizationThe International Society for Optical Engineering
As Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) project was completed successfully, indicating the key technology of active optics has been mastered by the Chinese astronomical community, experts of Nanjing Institute of Astronomical Optics and Technology (NIAOT), builders of this project, started to consider how to use the technology developed in large optical telescope such as LAMOST to improve the performance of millimeterwave/ sub-millimeter-wave telescope. In order to do more research work about active optics of millimeter \ submillimeter band and improve the performance of Delingha 13.7m millimeter-wave telescope, researchers of NIAOT intend to upgrade the reflect panel accuracy of this telescope. This paper will introduce the preliminary work of the accuracy-upgrading task, numerical simulation of the 13.7m telescope. In this presentation, the primary reflector finite element model (FEM) construction, gravity and thermal deformation, and modal analyze are described. The result shows that the gravity and thermal distortion of the reflector are contributed mostly by the back-structure and the active support for the panels is very necessary to restrain this kind of distortion.
KeywordMillimeter / sub-Millimeter Telescope Active Optics Finite Element Model
Subject Area射电望远镜 ; 主动光学 ; 有限元分析
Document Type会议论文
Recommended Citation
GB/T 7714
Xuhao Wu,Xiangqun Cui. Research of Active Panel Technology for Large Aperture Millimeter-wave/Sub-millimeter-wave Telescope[C]:SPIE,2010:Vol.7654 16-1-6.
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